CN105826831A - Direct-current power cabinet - Google Patents

Direct-current power cabinet Download PDF

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Publication number
CN105826831A
CN105826831A CN201610350103.XA CN201610350103A CN105826831A CN 105826831 A CN105826831 A CN 105826831A CN 201610350103 A CN201610350103 A CN 201610350103A CN 105826831 A CN105826831 A CN 105826831A
Authority
CN
China
Prior art keywords
current
direct
cabinet
wire
output unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610350103.XA
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Chinese (zh)
Other versions
CN105826831B (en
Inventor
马海
张康
王杰
王东方
秦川
王洪斌
杨帆
侯兴涛
孙瑞
冯毅
杨磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guo Wang Ningxia Electric Power Co Wuzhong Electric Co
Original Assignee
Guo Wang Ningxia Electric Power Co Wuzhong Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guo Wang Ningxia Electric Power Co Wuzhong Electric Co filed Critical Guo Wang Ningxia Electric Power Co Wuzhong Electric Co
Priority to CN201610350103.XA priority Critical patent/CN105826831B/en
Publication of CN105826831A publication Critical patent/CN105826831A/en
Application granted granted Critical
Publication of CN105826831B publication Critical patent/CN105826831B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/52Mobile units, e.g. for work sites
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a direct-current power cabinet in order to solve the problem in the prior art that the temporary direct-current power cabinet is large and heavy and inconvenient to carry, the internal structure and wiring are complex, assembly and debugging are time-consuming, the failure rate is high, and replacement of the direct-current system takes a long time. According to the direct-current power cabinet, four rollers are mounted a the four corners of the outer side of the bottom of a rectangular cabinet body, the two sides of the cabinet body are each equipped with a cabinet door, push-and-pull handles are mounted on the outer side of each cabinet door, each direct-current output unit is connected in parallel to one side of a direct-current outgoing circuit breaker, the other side of the direct-current outgoing circuit breaker is connected with the output ends of two direct-current chargers which are main and standby direct-current chargers relative to each other, the alternating-current input ends of the two direct-current chargers are respectively controlled by corresponding direct-current charger alternating-current incoming circuit breakers, the other ends of the two direct-current charger alternating-current incoming circuit breakers away from the direct-current chargers are connected with an alternating-current main incoming circuit breaker, and the alternating-current main incoming circuit breaker directly outputs multiple alternating-current output units. By using the scheme, the efficiency of direct-current system replacement is improved.

Description

DC power cabinet
Technical field
The present invention relates to field of electrical equipment, particularly relate to a kind of DC power cabinet.
Background technology
Straight-flow system is to be applied to power plant, all kinds of transformer stations and other use DC equipment user, for dividing to signalling arrangement, protection, automaton, emergency lighting, emergency power supply and chopper, closing operation provide DC source power-supply device.
Straight-flow system whether reliable, safe operation to transformer station plays vital effect, it it is the guarantee of substation safety operation, it it is the important component part of transformer station, straight-flow system must be paid much attention to, current check, test and the maintenance work of straight-flow system being placed on critical positions, and must pay the utmost attention to recover the power supply of straight-flow system there is all kinds of accident when.
Straight-flow system does not have a power failure and more changes jobs, and task difficulty is big, complex procedures, the dangerous height of safety wind, requires that DC source does not interrupt supply in work, it is therefore desirable to interim straight-flow system is as power supply arranged side by side continued power in Renewal process.
Do not have a power failure replacing straight-flow system, and key needs another set of straight-flow system removing old straight-flow system and install can continued power during new straight-flow system as interim straight-flow system exactly.
Existing power failure is changed the scheme of straight-flow system and there is old direct current power source screen cabinet volume and weight ambassador it is long in the carrying of narrow and small working site, time of removing, when old direct current cabinet replaces new direct current cabinet and feeder line screen associating power supply, the DC power cabinet of split-type structural is complicated because of aerial lug, assembling, time-consuming length of disintegrating, the debugging consuming time in parallel is long, some elements are unsatisfactory for the retired equipment of technical standard, and the probability broken down is the biggest, it is also possible to cause and change time-consuming long problem.
Summary of the invention
The embodiment of the present invention provides a kind of DC power cabinet, there is the big inconvenience carrying of interim DC power cabinet volume weight in order to solving in prior art, and internal structure is complicated with external cabling, and assembly and adjustment is time-consumingly long and probability of failure causes greatly time-consuming long problem.
The embodiment of the present invention provides a kind of DC power cabinet, including: cabinet 1, roller 2, cabinet door 3 and push and pull bar 4;Four rolling 2 is installed in cuboid cabinet 1 bottom outside corner, cabinet door 3 is offered in two sides that cabinet 1 is relative, installing push and pull bar 4 outside cabinet door 3, inside includes multi-channel DC output unit 5, multichannel AC output unit 10, direct current lead-in circuit breaker 7, two DC charging motor alternating current inlet wire choppers 8 of 6, two DC charging motors and exchange total input-wire chopper 9;Every road DC output unit 5 is all connected in parallel on the side of dc circuit breaker outlet, the opposite side of direct current wire-outgoing breaker and two DC charging motor 7 outfans the most active and standby connect, the ac input end of two DC charging motors 7 is respectively by a corresponding DC charging motor alternating current inlet wire breaker control, two DC charging motor alternating current inlet wire choppers 8 deviate from the other end of DC charging motor 7 and are connected with exchanging total input-wire chopper 9, and exchange total input-wire chopper 9 direct output multi-channel exchange output unit 10.
Preferably, four rolling 2 includes that two universal wheels from strap brake and two are with to wheel, wherein, two summits on 1 one bases of cabinet are respectively mounted a universal wheel from strap brake, and two summits on the base relative with a described base are respectively mounted one with to wheel.
It is also preferred that the left every road DC output unit 5 includes that a display lamp is connected with direct current wire-outgoing breaker;Every road exchange output unit 10 includes that meeting a display lamp is connected with exchange wire-outgoing breaker.
It is also preferred that the left exchange total input-wire chopper 9 outfan connects AC Power supply socket 11, for output AC power source.
It is also preferred that the left also include that accumulator battery accesses pile crown, it is connected with direct current lead-in circuit breaker 6.
Cabinet 1 roller 2 cabinet door 3 cabinet 1 roller 2 cabinet 1 cabinet door 3 cabinet door 3 DC output unit 5 exchanges output unit 10 direct current lead-in circuit breaker 6 DC charging motor 7 and exchanges total input-wire chopper 9 DC output unit 5 direct current lead-in circuit breaker 6 direct current lead-in circuit breaker 6 and exchange total input-wire chopper 9 and exchange total input-wire chopper 9 and exchange output unit 10 roller 2 cabinet 1 DC output unit 5 and exchange output unit 10 and exchange total input-wire chopper 9 beneficial effect of the present invention and include: the scheme that the embodiment of the present invention provides, shorten straight-flow system not have a power failure the time changed, decrease the operation of replacing, save manpower, improve work efficiency.In the case of there is significant problem impact power supply or the life of storage battery is produced harm in straight-flow system, DC supply for emergency cabinet can as long as the emergency repairing device of system, equipment loss can be saved, DC supply for emergency cabinet is when carrying out DC equipment and changing, improve the reliability of straight-flow system, reduce security risk, reduce the probability that harm personal injury occurs.This DC power cabinet is also used as standby battery or the standby charging unit of stock's accumulator, reduces the loss of stock's accumulator, it is ensured that its quality.
Accompanying drawing explanation
Fig. 1 is the DC power cabinet external front face structural representation in the embodiment of the present invention;
Fig. 2 is the DC power cabinet exterior lateral sides structural representation in the embodiment of the present invention;
Fig. 3 is the DC power cabinet internal circuit attachment structure schematic diagram in the embodiment of the present invention.
Detailed description of the invention
In order to provide the replacing efficiency improving straight-flow system, to the continued power of full station DC source and reduction short-circuit risks guarantee is personal and equipment securely achieves scheme to ensure DC source, embodiments provide a kind of DC power cabinet, below in conjunction with Figure of description, the preferred embodiments of the present invention are illustrated.
Refering to shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of DC power cabinet, including: cabinet 1, roller 2, cabinet door 3 and push and pull bar 4;Four rolling 2 is installed in cuboid cabinet 1 bottom outside corner, cabinet door 3 is offered in two sides that cabinet 1 is relative, installing push and pull bar 4 outside cabinet door 3, inside includes multi-channel DC output unit 5, multichannel AC output unit 10, direct current lead-in circuit breaker 7, two DC charging motor alternating current inlet wire choppers 8 of 6, two DC charging motors and exchange total input-wire chopper 9;Every road DC output unit 5 is all connected in parallel on the side of dc circuit breaker outlet, the opposite side of direct current wire-outgoing breaker and two DC charging motor 7 outfans the most active and standby connect, the ac input end of two DC charging motors 7 is respectively by a corresponding DC charging motor alternating current inlet wire breaker control, two DC charging motor alternating current inlet wire choppers 8 deviate from the other end of DC charging motor 7 and are connected with exchanging total input-wire chopper 9, and exchange total input-wire chopper 9 direct output multi-channel exchange output unit 10.
Wherein, four rolling 2 includes that two universal wheels from strap brake and two are with to wheel, wherein, two summits on 1 one bases of cabinet are respectively mounted a universal wheel from strap brake, and two summits on the base relative with a described base are respectively mounted one with to wheel.
Every road DC output unit 5 includes that a display lamp is connected with direct current wire-outgoing breaker;Every road exchange output unit 10 includes that meeting a display lamp is connected with exchange wire-outgoing breaker.What each display lamp was corresponding is used for showing that this road DC output unit 5 or exchange output unit 10 are "on" position.Every road DC output unit 5 include meeting output size of current transmission line of electricity, be prone to the DC output terminal of wiring, display lamp in parallel with direct current wire-outgoing breaker,;Every road exchange output unit 10 includes meeting the transmission line of electricity of output size of current, is prone to the DC output terminal of wiring, display lamp and exchanges wire-outgoing breaker parallel connection.
Exchange total input-wire chopper 9 outfan connects AC Power supply socket 11, for output AC power source.Other electrical appliance electricity consumptions during convenient working.
DC source always exports to be responsible for by two DC charging motors 7, carries out sectionalized single busbar connection design, when there being DC charging motor 7 fault, another DC charging motor 7 can be had to power.
DC power cabinet also includes that accumulator battery accesses pile crown, is connected with direct current lead-in circuit breaker 6.It is 800 specifications taking advantage of 600 that the cabinet 1 of this DC power cabinet is made as bottom length and width again, can be by minimum dimension 1.272 meters in control room, and after this DC power cabinet retains necessary element, overall weight also mitigates more than 50 percent, it is formed integrally formula structure, external bus is fully enclosed in cabinet, save the time of original combination and disintegration, the roller 2 of the low corner of DC power cabinet cabinet can save carrying and the time removed, and saves human cost.Cabinet 1 can include 2 cabinet doors 3, and convenient maintenance, each cabinet door 3 installs at least one push and pull bar.Cabinet 1 selects stainless steel material, and intensity is big, and non-oxidizability is strong.By the analysis to each substation feeder way, 16 road DC output unit are selected enough to use.Accumulator battery accesses pile crown and is directly accessed in direct current positive and negative busbar, in the case of when preventing using DC power cabinet, alternating current power supply loses suddenly, accumulator battery powers to DC load, it is ensured that DC source can normal supply.
In sum, the scheme that the embodiment of the present invention provides, shorten straight-flow system and do not have a power failure the time changed, decrease the operation of replacing, saved manpower, improve work efficiency.In the case of there is significant problem impact power supply or the life of storage battery is produced harm in straight-flow system, DC supply for emergency cabinet can as long as the emergency repairing device of system, equipment loss can be saved, DC supply for emergency cabinet is when carrying out DC equipment and changing, improve the reliability of straight-flow system, reduce security risk, reduce the probability that harm personal injury occurs.This DC power cabinet is also used as standby battery or the standby charging unit of stock's accumulator, reduces the loss of stock's accumulator, it is ensured that its quality.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (5)

1. a DC power cabinet, it is characterised in that including: cabinet, roller, cabinet door and push and pull bar;Four rolling is installed in cuboid cabinet bottom outside corner, cabinet door is offered in two sides that cabinet is relative, cabinet outer side of door installs push and pull bar, and inside includes multi-channel DC output unit, multichannel AC output unit, direct current lead-in circuit breaker, two DC charging motors, two DC charging motor alternating current inlet wire choppers and exchange total input-wire chopper;Every road DC output unit is all connected in parallel on the side of dc circuit breaker outlet, the opposite side of direct current wire-outgoing breaker and two DC charging motor outfans the most active and standby connect, the ac input end of two DC charging motors is respectively by a corresponding DC charging motor alternating current inlet wire breaker control, two DC charging motor alternating current inlet wire choppers deviate from the other end of DC charging motor and are connected with exchanging total input-wire chopper, and exchange total input-wire chopper direct output multi-channel exchange output unit.
2. DC power cabinet as claimed in claim 1, it is characterized in that, four rolling includes that two universal wheels from strap brake and two are with to wheel, wherein, two summits on one base of cabinet are respectively mounted a universal wheel from strap brake, and two summits on the base relative with a described base are respectively mounted one with to wheel.
3. DC power cabinet as claimed in claim 1, it is characterised in that every road DC output unit includes that a display lamp is connected with direct current wire-outgoing breaker;Every road exchange output unit includes that meeting a display lamp is connected with exchange wire-outgoing breaker.
4. DC power cabinet as claimed in claim 1, it is characterised in that exchange total input-wire chopper outfan connects AC Power supply socket, for output AC power source.
5. the DC power cabinet as described in right 1, it is characterised in that also include that accumulator battery accesses pile crown, be connected with direct current lead-in circuit breaker.
CN201610350103.XA 2016-05-25 2016-05-25 DC power cabinet Active CN105826831B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610350103.XA CN105826831B (en) 2016-05-25 2016-05-25 DC power cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610350103.XA CN105826831B (en) 2016-05-25 2016-05-25 DC power cabinet

Publications (2)

Publication Number Publication Date
CN105826831A true CN105826831A (en) 2016-08-03
CN105826831B CN105826831B (en) 2018-05-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109494992A (en) * 2017-09-12 2019-03-19 株洲中车时代电气股份有限公司 A kind of frequency converter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201490761U (en) * 2009-09-08 2010-05-26 深圳市宝安任达电器实业有限公司 Microcomputer type power engineering direct-current power supply cabinet with two alternating current power supplies
CN201750146U (en) * 2010-07-27 2011-02-16 上海一开电气集团有限公司 DC power supply system
CN203312905U (en) * 2013-05-30 2013-11-27 国家电网公司 Portable mobile direct-current power cabinet
CN103683268A (en) * 2013-12-19 2014-03-26 国家电网公司 Portable charging-and-feedback integrated direct-current power supply
CN204497575U (en) * 2014-12-24 2015-07-22 浙江省电力设计院 A kind of thermal control power distribution cabinet
CN204835953U (en) * 2015-08-18 2015-12-02 南京苏尔机电科技有限公司 High frequency switching power supply DC power supply cabinet
CN205178636U (en) * 2015-11-20 2016-04-20 无锡斯达四方电气有限公司 Computer type high frequency switch DC power supply cabinet
CN205791043U (en) * 2016-05-25 2016-12-07 国网宁夏电力公司吴忠供电公司 DC power cabinet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201490761U (en) * 2009-09-08 2010-05-26 深圳市宝安任达电器实业有限公司 Microcomputer type power engineering direct-current power supply cabinet with two alternating current power supplies
CN201750146U (en) * 2010-07-27 2011-02-16 上海一开电气集团有限公司 DC power supply system
CN203312905U (en) * 2013-05-30 2013-11-27 国家电网公司 Portable mobile direct-current power cabinet
CN103683268A (en) * 2013-12-19 2014-03-26 国家电网公司 Portable charging-and-feedback integrated direct-current power supply
CN204497575U (en) * 2014-12-24 2015-07-22 浙江省电力设计院 A kind of thermal control power distribution cabinet
CN204835953U (en) * 2015-08-18 2015-12-02 南京苏尔机电科技有限公司 High frequency switching power supply DC power supply cabinet
CN205178636U (en) * 2015-11-20 2016-04-20 无锡斯达四方电气有限公司 Computer type high frequency switch DC power supply cabinet
CN205791043U (en) * 2016-05-25 2016-12-07 国网宁夏电力公司吴忠供电公司 DC power cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109494992A (en) * 2017-09-12 2019-03-19 株洲中车时代电气股份有限公司 A kind of frequency converter

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Inventor after: Wang Jie

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